Create a fixed-term borrow order with specified loan currency, amount, rate, term, and collateral.\n\nFeatures:\n- Private endpoint (authentication required)\n- Fixed-term loans with locked interest rates\n- Support multiple collateral currencies\n- Optional auto-repay setting\n- Rate limit: 1 re...
AI agents use postCryptoLoanFixedBorrow to commit financial operations through Bybit MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool initiates a cryptocurrency loan/borrowing transaction on Bybit, committing the user to a financial obligation with fixed interest rates and collateral pledged. It directly creates binding financial contracts involving real crypto assets, making it Financial category with critical severity due to potential for large debt obligations and collateral liquidation risks.
From the tool's definition Create a fixed-term borrow order with specified loan currency, amount, rate, term, and collateral
Documented attack patterns abuse exactly the kind of access postCryptoLoanFixedBorrow gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Bybit MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for postCryptoLoanFixedBorrow:
{
"version": "1",
"default": "deny",
"tools": {
"postCryptoLoanFixedBorrow": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}Any call to postCryptoLoanFixedBorrow is blocked until a human approves it. The rest of the server keeps working.
Free to start. No card required.
Create a fixed-term borrow order with specified loan currency, amount, rate, term, and collateral.\n\nFeatures:\n- Private endpoint (authentication required)\n- Fixed-term loans with locked interest rates\n- Support multiple collateral currencies\n- Optional auto-repay setting\n- Rate limit: 1 request per time window per UID\n\nUse Cases:\n- Borrow crypto with fixed interest rate for specific term\n- Pledge multiple currencies as collateral\n- Lock in favorable rates for 7D, 14D, 30D, 60D, 90D, or 180D\n\nImportant:\n- Order may match partially or fully based on available supply\n- Ensure collateral meets minimum LTV requirements\n- Check borrow-order-quote endpoint first for available rates. It is categorised as a Financial tool in the Bybit MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Bybit MCP Server MCP server in PolicyLayer and add a rule for postCryptoLoanFixedBorrow: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Bybit MCP Server. Nothing to install.
postCryptoLoanFixedBorrow is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the postCryptoLoanFixedBorrow rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for postCryptoLoanFixedBorrow. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
postCryptoLoanFixedBorrow is provided by the Bybit MCP Server MCP server (bybit-exchange/trading-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Bybit MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
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